Annex approval rate in Chorley

Chorley approved 94.1% of annex applications, based on 17 decisions analysed.

Last updated: August 2026

94.1%

annex approval rate

Annex decisions

Approved

Refused

93.2%

Chorley overall

Annex applications are approved at roughly the same rate as the Chorley average (93.2%).

How annex compares in Chorley

Annex (17 decided)

94.1%

Chorley all applications (4,398 decided)

93.2%

94.1% get approved, but the odds vary by street. Your Full Planning Analysis shows exactly what gets approved and refused near your property.

✓ Your ward's annex approval rate
✓ Nearest comparable annex decisions
✓ Refusal triggers specific to your area
✓ PDF report for your architect

Rear Extension (1,040 decided)

93.3%

92.6%

93.7%

Conservatory (334 decided)

93.7%

New Build (321 decided)

90.7%

94.7%

Outbuilding (172 decided)

87.2%

Dormer (170 decided)

93.5%

93.2%

92.4%

100.0%

HMO (28 decided)

78.6%

100.0%